Changes and improvements:
- additional performance optimizations, compressed icon texts
- conversation windows with stations are centered depending on the presence or absence of the side menu
- fixed a bug due to was impossible to enter the battles queue immediately after closing this list
- redone displaying and dragging slots with items
- when selling, you can no longer ckick "between" items
- fixed a bug due to which the missiles could "stick together" when fired at a certain angle and as a result it was easier to shoot down a rocket
- reduced Tank atack speed for 5%
- slightly weakened opponents in the Final Exam
- the Final Exam does not give Starcoins for win
- added a tutorial about the battle in the Final Exam
- other improvements and changes
